Exhaust muffler



FIG. 1 is a top, back and side perspective view of a first embodiment of an exhaust muffler embodying my new design.

FIG. 2 is a bottom, front and side perspective view thereof.

FIG. 3 is a top view thereof, the bottom being a mirror image.

FIG. 4 is a first side view thereof, the second side being a mirror image.

FIG. 5 is a back view thereof

FIG. 6 is a front view thereof.

FIG. 7 is a top, back and side perspective view of a second embodiment of an exhaust muffler embodying my new design.

FIG. 8 is a bottom, front and side perspective view thereof.

FIG. 9 is a top view thereof, the bottom being a mirror image.

FIG. 10 is a first side view thereof, the second side being a mirror image.

FIG. 11 is a back view thereof; and,

FIG. 12 is a front view thereof.

Broken lines are used to illustrate features of the exhaust muffler which form no part of the claimed design. 

CLAIM The ornamental design for an exhaust muffler, as shown and described. 